This APC Smart UPS solution is perfect for data center managers and IT professionals who need enterprise-grade server rack battery backup with advanced scalability and redundancy features. Our APC Symmetra RM delivers:
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Double conversion online UPS technology for superior power protection
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N+1 redundancy design ensuring maximum uptime and fault tolerance
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Scalable architecture growing from 4kVA to 6kVA capacity
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SNMP manageable functionality for comprehensive network monitoring
Key Features
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Double conversion online UPS providing true online power protection
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Scalable design from 4kVA to 6kVA capacity on demand
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N+1 redundancy with hot-swappable power modules
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Rack-mountable 3U form factor for space efficiency
- 208-240V input with 208V to 120V step-down transformer
- 4 L5-20R outlets for equipment connectivity
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SNMP manageable with comprehensive network monitoring
Technical Specifications
| Manufacturer |
APC by Schneider Electric |
| Model Number |
SYH4K6RMT-TF3 |
| Type |
Double Conversion Online UPS |
| Form Factor |
Rack-mountable 3U height |
| Power Rating |
4000VA / 2800W (scalable to 6kVA) |
| Input Voltage |
208-240V ±10% |
| Output Voltage |
120V ±2% (via step-down transformer) |
| Frequency |
60 Hz ±0.1% |
| Topology |
True online double conversion |
| Transfer Time |
Zero (continuous power conversion) |
| Outlets |
4 × NEMA L5-20R locking outlets |
| Redundancy |
N+1 configuration with hot-swappable modules |
| Battery Type |
Sealed lead-acid, maintenance-free |
| Runtime |
6 minutes at full load (expandable) |
| Management |
SNMP, USB, serial communication |
| Display |
LCD with comprehensive status information |
| Dimensions |
17" W × 21.9" D × 5.25" H (3U) |
| Weight |
132 lbs (60 kg) |
| Compatible Systems |
Servers, network equipment, storage arrays, critical infrastructure |
Double Conversion Online Protection
The Symmetra RM double conversion online UPS provides the highest level of power protection:
- Continuous power conversion eliminates all electrical disturbances
- Complete isolation between input and output power sources
- Zero transfer time ensures uninterrupted power delivery
- Precise voltage regulation within ±2% under all conditions
- Frequency regulation to ±0.1% for sensitive equipment
- Advanced harmonic filtering reduces total harmonic distortion
- Input power factor correction improves utility efficiency
N+1 Redundancy Architecture
The innovative N+1 redundancy design ensures maximum system availability:
- Hot-swappable power modules enable maintenance without downtime
- Fault-tolerant design continues operation during module failures
- Load sharing across multiple modules improves reliability
- Automatic module recognition and configuration
- Built-in bypass for complete UPS maintenance
- Redundant control systems eliminate single points of failure
- Parallel operation capability for additional redundancy
Scalable Power Architecture
The scalable design provides investment protection and flexibility:
- Start with 4kVA capacity and expand to 6kVA on demand
- Hot-swappable power modules enable capacity upgrades
- No downtime required for capacity expansion
- Future-ready design accommodates growing power needs
- Modular components reduce initial investment
- Easy field upgrades with standard modules
- Parallel operation supports higher capacity requirements
Rack-Mount Design Benefits
The space-efficient rack-mountable form factor maximizes efficiency:
- 3U height fits standard 19-inch server racks
- Front-accessible controls and display for easy operation
- Rear-panel connections for clean cable management
- Integrated mounting rails for secure installation
- Professional appearance matching server equipment
- Optimized airflow design for thermal management
- Space-saving design maximizes rack utilization
Advanced Network Management
Comprehensive SNMP manageable features enable remote monitoring:
- SNMP v1/v2c/v3 support for network management systems
- Web-based interface for remote configuration and monitoring
- Email notifications for critical events and alarms
- PowerChute Network Shutdown software included
- Integration with VMware vCenter and Hyper-V
- Mobile app support for smartphone monitoring
- Customizable threshold settings and alerts
Step-Down Transformer Integration
The integrated 208V to 120V step-down transformer provides power flexibility:
- Accepts 208-240V three-phase or single-phase input
- Delivers clean 120V output for standard equipment
- Galvanic isolation protects connected equipment
- Reduced installation complexity with integrated design
- Higher efficiency compared to external transformers
- Compliance with electrical codes and standards
- Professional installation support available
L5-20R Outlet Configuration
The 4 NEMA L5-20R locking outlets provide secure connectivity:
- Twist-lock design prevents accidental disconnection
- 20-amp capacity supports high-power equipment
- Individual outlet switching and monitoring available
- Sequential outlet control for load management
- LED indicators for outlet status monitoring
- Protection against outlet overload conditions
- Emergency power-off functionality
Enterprise Battery Management
Advanced server rack battery backup capabilities maximize reliability:
- Intelligent battery testing identifies weak batteries proactively
- Temperature-compensated charging extends battery life
- Hot-swappable battery modules minimize maintenance downtime
- Extended runtime options with additional battery packs
- Automatic battery replacement date tracking
- Energy-saving features optimize battery performance
- Battery health monitoring with predictive analytics
Smart UPS Intelligence
This Smart UPS includes advanced monitoring and control features:
- Comprehensive LCD display showing all system parameters
- Automatic self-diagnostics with detailed fault reporting
- Load monitoring and capacity planning tools
- Energy usage tracking for cost allocation
- Environmental monitoring with optional sensors
- Customizable alarm settings and notifications
- Historical data logging for trend analysis
Network Communication Options
Multiple communication interfaces ensure seamless integration:
- SmartSlot for optional network management cards
- USB connectivity for direct computer communication
- Serial port for legacy system integration
- Dry contact relays for building management systems
- ModBus communication for industrial applications
- BACnet support for facility management
- Third-party integration APIs available
Use Cases & Applications
This networkable UPS excels in demanding enterprise environments:
- Data centers requiring server rack battery backup with redundancy
- Network operations centers with 24/7 uptime requirements
- Financial institutions with regulatory compliance needs
- Healthcare facilities protecting life-safety equipment
- Manufacturing environments with critical process control
- Telecommunications infrastructure and edge computing
- Educational institutions with mission-critical IT systems
Installation & Service Support
Professional installation and service ensure optimal performance:
- Factory-trained technicians provide expert installation
- Startup services verify proper operation and configuration
- Comprehensive warranty with local service support
- Preventive maintenance programs maximize reliability
- 24/7 technical support for critical applications
- Remote monitoring services with proactive alerts
- Rapid replacement service minimizes downtime
Energy Efficiency & Sustainability
High-efficiency operation reduces environmental impact:
- Up to 92% efficiency in double conversion mode
- ECO mode operation for additional energy savings
- Power factor correction reduces utility demand charges
- Energy monitoring supports sustainability reporting
- ENERGY STAR qualification for green building credits
- Recyclable components support environmental goals
- Reduced cooling requirements lower total cost of ownership
Compliance & Certifications
Meeting industry standards ensures safety and reliability:
- UL 1778 Listed for uninterruptible power supplies
- FCC Part 15 Class A for electromagnetic compatibility
- CSA certified for Canadian market compliance
- CE marking for European market requirements
- IEC 62040-1 safety standard compliance
- ISO 9001 quality management certification
- RoHS environmental compliance
Frequently Asked Questions
Q: What are the benefits of double conversion online UPS technology?
A: This double conversion online UPS provides continuous power conversion, complete isolation from utility disturbances, zero transfer time, and precise voltage/frequency regulation - ensuring the highest level of protection for critical equipment.
Q: How does N+1 redundancy improve system reliability?
A: The N+1 redundancy design includes an extra power module beyond what's needed for the load, ensuring continued operation during module maintenance or failure. Hot-swappable modules enable repairs without system downtime.
Q: Can the UPS capacity be expanded after installation?
A: Yes. The scalable architecture allows expansion from 4kVA to 6kVA using hot-swappable power modules without system interruption. This provides investment protection and accommodates growing power needs.
Q: What network management capabilities are included?
A: This SNMP manageable UPS includes comprehensive network monitoring with SNMP support, web-based management, email notifications, mobile app access, and integration with major virtualization platforms.
Q: Why is rack-mounting preferred for server environments?
A: The rack-mountable 3U design maximizes space efficiency in server rooms, provides easy access for maintenance, integrates cleanly with IT infrastructure, and offers professional appearance matching server equipment.
